I don't see any thing wrong with the sentences
Answer:
It most likely means a reminder that your past is still there and will not ever be truly gone
<span>The poem was written for Thomas's dying father. It has no title other than its first line, "Do not go gentle into that good night", a line which appears as a refrain throughout. The poem's other refrain is "Rage, rage against the dying of the light".</span>
<span>Hope I helped. :) </span>
